Method checkElement

corpus/java/training/guava/collect/Constraint.java:55–55

Throws a suitable RuntimeException if the specified element is illegal. Typically this is either a NullPointerException, an IllegalArgumentException, or a ClassCastException, though an application-specific exception class may be used if appropriate. @param element th

(E element)

   * @return the provided element
   */
  @CanIgnoreReturnValue
  E checkElement(E element);

  /**